package com.common.interCeptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.entity.YongHu;


public class LoginInterceptor implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest request,
			HttpServletResponse response, Object arg2, Exception arg3)
			throws Exception {
		// TODO Auto-generated method stub
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response,
			Object arg2, ModelAndView arg3) throws Exception {
		// TODO Auto-generated method stub
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
			Object arg2) throws Exception {
		HttpSession userSession = request.getSession();
		YongHu yh =(YongHu)userSession.getAttribute("USER");
		if(null!=yh){
			return true;
		}else{
			String path = request.getRequestURI();
			if(path.indexOf("login")!=-1 || path.indexOf("static")!=-1 || path.indexOf("page")!=-1 || path.indexOf("manager")!=-1 || path.indexOf("upload")!=-1 ){
				return true;
			}else if(path.indexOf("png")!=-1 || path.indexOf("jpg")!=-1){
				return true;
			}
			response.sendRedirect("login");
			return false;
		}
	}
	
}
